Which ZIP code in Cameron County has the highest share of residents who moved in during the past year?

78583 (Rio Hondo), at 13.6%, among 13 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the most new movers in Cameron County, TX

These are the 13 ZIP codes in Cameron County with the highest share of residents who moved in during the past year, out of 13 with at least 1,000 residents. 78583 (Rio Hondo, 13.6%), 78597 (South Padre Island, 12.2%) and 78578 (Port Isabel, 11.9%) lead the list. There is no single "best" ZIP code in Cameron County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the most new movers in Cameron County

Rank	ZIP	Mailing city	Moved in the past year	Residents	Households	Residential mailboxes
1	78583	Rio Hondo	13.6%	5,236	1,952	1,958
2	78597	South Padre Island	12.2%	2,935	1,642	613
3	78578	Port Isabel	11.9%	10,016	4,379	4,061
4	78526	Brownsville	10.6%	60,012	17,516	18,847
5	78550	Harlingen	10.1%	53,335	19,733	21,652
6	78520	Brownsville	9.6%	64,740	20,847	22,917
7	78552	Harlingen	8.1%	42,332	13,567	14,634
8	78521	Brownsville	7.4%	87,380	27,731	31,923
9	78575	Olmito	6.4%	4,575	1,620	2,689
10	78566	Los Fresnos	6.3%	25,110	7,241	8,016
11	78586	San Benito	6.1%	50,964	15,699	15,753
12	78559	La Feria	5.2%	12,169	4,275	5,048
13	78593	Santa Rosa	3.7%	5,455	1,555	852

How we ranked them

Ranked by the share of residents (age 1 and over) who lived in a different home a year earlier (ACS Data Profile, 2020–2024). No margin of error is published for this share in our files. ZIP codes need at least 1,000 residents to be ranked; 13 of 16 qualify.

Which of these to mail, and why

New residents are still choosing a dentist, a gym, a pizza place and a lawn service. ZIP codes with high turnover give a welcome offer more people to work on each year.

The top five ZIP codes on this list hold 45,222 households, on 60 carrier routes with 47,131 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 78583 on the EDDM route map

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Frequently asked questions

Which ZIP code in Cameron County has the highest share of residents who moved in during the past year?: 78583 (Rio Hondo), at 13.6%, among 13 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of residents (age 1 and over) who lived in a different home a year earlier (ACS Data Profile, 2020–2024). No margin of error is published for this share in our files.
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.